Merge to XFA: Remove header files that only have includes.

pdfium.gyp

Index: pdfium.gyp
diff --git a/pdfium.gyp b/pdfium.gyp
index 812ecf85743bd8da2c3515df09342141d9bbd869..ef1c175c92b8801ad3f82925d396fe5c0ee4e0fd 100644
--- a/pdfium.gyp
+++ b/pdfium.gyp
@@ -214,7 +214,6 @@
       'target_name': 'fpdfapi',
       'type': 'static_library',
       'sources': [
-        'core/include/fpdfapi/fpdfapi.h',
         'core/include/fpdfapi/fpdf_module.h',
         'core/include/fpdfapi/fpdf_objects.h',
         'core/include/fpdfapi/fpdf_page.h',
@@ -600,7 +599,6 @@
         'fpdfsdk/include/fxedit/fx_edit.h',
         'fpdfsdk/include/fxedit/fxet_edit.h',
         'fpdfsdk/include/fxedit/fxet_list.h',
-        'fpdfsdk/include/fxedit/fxet_stub.h',
         'fpdfsdk/src/fxedit/fxet_ap.cpp',
         'fpdfsdk/src/fxedit/fxet_edit.cpp',
         'fpdfsdk/src/fxedit/fxet_list.cpp',
@@ -612,8 +610,6 @@
       'target_name': 'pdfwindow',
       'type': 'static_library',
       'sources': [
-        'fpdfsdk/include/pdfwindow/IPDFWindow.h',
-        'fpdfsdk/include/pdfwindow/PDFWindow.h',
         'fpdfsdk/include/pdfwindow/PWL_Button.h',
         'fpdfsdk/include/pdfwindow/PWL_Caret.h',
         'fpdfsdk/include/pdfwindow/PWL_ComboBox.h',
@@ -734,7 +730,6 @@
         'fpdfsdk/include/formfiller/FFL_PushButton.h',
         'fpdfsdk/include/formfiller/FFL_RadioButton.h',
         'fpdfsdk/include/formfiller/FFL_TextField.h',
-        'fpdfsdk/include/formfiller/FormFiller.h',
         'fpdfsdk/src/formfiller/FFL_CBA_Fontmap.cpp',
         'fpdfsdk/src/formfiller/FFL_CheckBox.cpp',
         'fpdfsdk/src/formfiller/FFL_ComboBox.cpp',